EP3216833B1 - Polycarbonate resin composition and preparation method therefor - Google Patents
Polycarbonate resin composition and preparation method therefor Download PDFInfo
- Publication number
- EP3216833B1 EP3216833B1 EP15853630.0A EP15853630A EP3216833B1 EP 3216833 B1 EP3216833 B1 EP 3216833B1 EP 15853630 A EP15853630 A EP 15853630A EP 3216833 B1 EP3216833 B1 EP 3216833B1
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- EP
- European Patent Office
- Prior art keywords
- polycarbonate resin
- resin composition
- impact modifier
- composition according
- comprised
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004431 polycarbonate resin Substances 0.000 title claims description 87
- 229920005668 polycarbonate resin Polymers 0.000 title claims description 87
- 239000000203 mixture Substances 0.000 title claims description 74
- 238000002360 preparation method Methods 0.000 title description 3
- 239000004609 Impact Modifier Substances 0.000 claims description 51
- 239000000654 additive Substances 0.000 claims description 37
- 230000000996 additive effect Effects 0.000 claims description 32
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims description 26
- 239000003365 glass fiber Substances 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 26
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 21
- 239000003086 colorant Substances 0.000 claims description 17
- 150000001875 compounds Chemical class 0.000 claims description 16
- 239000003607 modifier Substances 0.000 claims description 16
- 239000011258 core-shell material Substances 0.000 claims description 15
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 12
- 239000005977 Ethylene Substances 0.000 claims description 12
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 12
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 12
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 9
- 229910052783 alkali metal Inorganic materials 0.000 claims description 8
- 150000001340 alkali metals Chemical class 0.000 claims description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 7
- 239000001257 hydrogen Substances 0.000 claims description 7
- 229910052739 hydrogen Inorganic materials 0.000 claims description 7
- 150000004645 aluminates Chemical class 0.000 claims description 6
- DNEHKUCSURWDGO-UHFFFAOYSA-N aluminum sodium Chemical compound [Na].[Al] DNEHKUCSURWDGO-UHFFFAOYSA-N 0.000 claims description 6
- 229920006225 ethylene-methyl acrylate Polymers 0.000 claims description 6
- DEIVNMVWRDMSMJ-UHFFFAOYSA-N hydrogen peroxide;oxotitanium Chemical compound OO.[Ti]=O DEIVNMVWRDMSMJ-UHFFFAOYSA-N 0.000 claims description 6
- KELHQGOVULCJSG-UHFFFAOYSA-N n,n-dimethyl-1-(5-methylfuran-2-yl)ethane-1,2-diamine Chemical compound CN(C)C(CN)C1=CC=C(C)O1 KELHQGOVULCJSG-UHFFFAOYSA-N 0.000 claims description 6
- 239000004408 titanium dioxide Substances 0.000 claims description 6
- 239000011787 zinc oxide Substances 0.000 claims description 6
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 5
- 125000000020 sulfo group Chemical group O=S(=O)([*])O[H] 0.000 claims description 5
- ZVVPYIDRZJUCED-UHFFFAOYSA-N (2-oxo-1,3,2lambda5-benzodioxaphosphol-2-yl) dihydrogen phosphate Chemical class C1=CC=C2OP(OP(O)(=O)O)(=O)OC2=C1 ZVVPYIDRZJUCED-UHFFFAOYSA-N 0.000 claims description 3
- BOYLVTQQZDPIQZ-UHFFFAOYSA-N [6,7,8,9-tetrakis(2,6-dimethylphenyl)-3-oxo-2,4-dioxa-3lambda5-phosphabicyclo[3.3.1]nona-1(9),5,7-trien-3-yl] dihydrogen phosphate Chemical group Cc1cccc(C)c1-c1c2OP(=O)(OP(O)(O)=O)Oc1c(-c1c(C)cccc1C)c(-c1c(C)cccc1C)c2-c1c(C)cccc1C BOYLVTQQZDPIQZ-UHFFFAOYSA-N 0.000 claims description 2
- RAOSIAYCXKBGFE-UHFFFAOYSA-K [Cu+3].[O-]P([O-])([O-])=O Chemical compound [Cu+3].[O-]P([O-])([O-])=O RAOSIAYCXKBGFE-UHFFFAOYSA-K 0.000 claims description 2
- 229910000365 copper sulfate Inorganic materials 0.000 claims description 2
- PDZKZMQQDCHTNF-UHFFFAOYSA-M copper(1+);thiocyanate Chemical compound [Cu+].[S-]C#N PDZKZMQQDCHTNF-UHFFFAOYSA-M 0.000 claims description 2
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 2
- 238000007747 plating Methods 0.000 description 26
- 239000004417 polycarbonate Substances 0.000 description 14
- 230000003247 decreasing effect Effects 0.000 description 12
- 229920000515 polycarbonate Polymers 0.000 description 11
- 239000000155 melt Substances 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 8
- 230000035945 sensitivity Effects 0.000 description 8
- 238000002845 discoloration Methods 0.000 description 7
- 239000008188 pellet Substances 0.000 description 7
- 125000003118 aryl group Chemical group 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000004615 ingredient Substances 0.000 description 5
- 238000000691 measurement method Methods 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- 230000009257 reactivity Effects 0.000 description 5
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 3
- 229920000178 Acrylic resin Polymers 0.000 description 3
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 229910001431 copper ion Inorganic materials 0.000 description 3
- WCMHCPWEQCWRSR-UHFFFAOYSA-J dicopper;hydroxide;phosphate Chemical compound [OH-].[Cu+2].[Cu+2].[O-]P([O-])([O-])=O WCMHCPWEQCWRSR-UHFFFAOYSA-J 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910021645 metal ion Inorganic materials 0.000 description 3
- 239000010445 mica Substances 0.000 description 3
- 229910052618 mica group Inorganic materials 0.000 description 3
- 229910000403 monosodium phosphate Inorganic materials 0.000 description 3
- 235000019799 monosodium phosphate Nutrition 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 description 3
- 239000001488 sodium phosphate Substances 0.000 description 3
- 229910052984 zinc sulfide Inorganic materials 0.000 description 3
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- 239000005083 Zinc sulfide Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000012760 heat stabilizer Substances 0.000 description 2
- 239000002923 metal particle Substances 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 2
- 229910000077 silane Inorganic materials 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- SKRWFPLZQAAQSU-UHFFFAOYSA-N stibanylidynetin;hydrate Chemical compound O.[Sn].[Sb] SKRWFPLZQAAQSU-UHFFFAOYSA-N 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- -1 zinc sulfide Chemical compound 0.000 description 2
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 2
- ODJUOZPKKHIEOZ-UHFFFAOYSA-N 4-[2-(4-hydroxy-3,5-dimethylphenyl)propan-2-yl]-2,6-dimethylphenol Chemical compound CC1=C(O)C(C)=CC(C(C)(C)C=2C=C(C)C(O)=C(C)C=2)=C1 ODJUOZPKKHIEOZ-UHFFFAOYSA-N 0.000 description 1
- 125000004203 4-hydroxyphenyl group Chemical group [H]OC1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 206010059837 Adhesion Diseases 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920003314 Elvaloy® Polymers 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 150000004650 carbonic acid diesters Chemical class 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 229910000153 copper(II) phosphate Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000001177 diphosphate Substances 0.000 description 1
- 235000011180 diphosphates Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011369 resultant mixture Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- WGPCGCOKHWGKJJ-UHFFFAOYSA-N sulfanylidenezinc Chemical compound [Zn]=S WGPCGCOKHWGKJJ-UHFFFAOYSA-N 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/06—Reinforcing macromolecular compounds with loose or coherent fibrous material using pretreated fibrous materials
- C08J5/08—Reinforcing macromolecular compounds with loose or coherent fibrous material using pretreated fibrous materials glass fibres
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0869—Acids or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/08—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds
- C08L51/085—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds on to polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2265—Oxides; Hydroxides of metals of iron
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/328—Phosphates of heavy metals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Definitions
- the present invention relates to a polycarbonate resin composition. More particularly, the present invention relates to a polycarbonate resin composition having superior heat stability and less discoloration and being applicable to a laser direct structuring method and a method of preparing the same.
- the LDS method is characterized by adding a conductive material to a nonconductive plastic, reacting the same using laser, and forming a regular pattern thereon, followed by selective plating.
- a metal structure such as an antenna, etc. can be directly formed on a resin substrate surface without use of an adhesive.
- US Patent Laid-Open Publication Nos. 2012-0276390 and 2012-0279764 , etc. disclose methods of adding a predetermined amount of an additive for laser direct structuring so as to improve laser reactivity and plating adhesion of a polycarbonate resin.
- the conventional technologies have a limitation in increasing a whiteness degree and exhibit discoloration due to low heat stability during storage and processing.
- due to low fluidity in the conventional technologies there are limitations in applying the conventional technologies in accordance with a current market trend wherein enlargement and slimming are kept and white products are preferred. Accordingly, there is a need for a polycarbonate resin composition that can be used in the laser direct structuring method so as to overcome the problems and limitations.
- compositions for laser direct structuring having good plating properties, a high whiteness degree and good heat stability, said compositions comprising a polycarbonate, a laser direct structuring additive containing titanium oxide, a core/shell impact modifier, talc which may be surface-treated and glass fibers.
- WO2015/053159 A1 discloses compositions comprising a polycarbonate, a laser direct structuring additive, a core/shell impact modifier, tetrakis (2,6-dimythylphenyl)-m-phenylene diphosphate and glass fibers.
- EP 2 335 936 A1 discloses aromatic polycarbonate compositions, comprising aromatic polycarbonate, laser direct structuring additive, rubber like polymer and acid and/or acid salt.
- the present invention has been made in view of the above problems, and it is one object of the present invention to provide a polycarbonate resin composition that realizes a high whiteness degree, exhibits less discoloration due to superior heat stability during storage and processing, and has improved fluidity, laser reactivity, and plating adhesion.
- a polycarbonate resin composition comprising:
- a method of preparing a polycarbonate resin composition comprising:
- the present invention advantageously provides a polycarbonate resin composition that realizes a high whiteness degree, exhibits less discoloration due to superior heat stability during storage and processing, and has improved fluidity, laser reactivity, and plating adhesion.
- the present invention provides a method of preparing the polycarbonate resin composition.
- the present inventors continued research to address conventional technical problems and, as a result, confirmed that, when a specific mixture along with an additive for laser direct structuring, an impact modifier having a core-shell structure, and a coloring agent are applied to a polycarbonate resin, high whiteness is realized, discoloration is decreased due to superior heat stability during storage and processing, and superior fluidity, laser reactivity and plating adhesion are exhibited, thus completing the present invention.
- the polycarbonate resin composition according to the present invention will be described in detail below.
- the polycarbonate resin composition includes (a) polycarbonate resin; (b) an additive for laser direct structuring; (c) an impact modifier having a core-shell structure; (d) a coloring agent; and two or more selected from the group consisting of (e) an ethylene-containing acrylic impact modifier, (f) a flow modifier, (g) a compound represented by Formula 1 below, and (h) a glass fiber: wherein X, Y and Z are each independently hydrogen or an alkali metal.
- the polycarbonate resin may be a thermoplastic aromatic polycarbonate polymer or copolymer obtained from a copolymer of an aromatic dihydroxy compound and phosgene or carbonic acid diester.
- the aromatic dihydroxy compound may be, for example, one or more selected from the group consisting of 2,2-bis(4-hydroxyphenyl)propane (bisphenol A), tetramethyl bisphenol A, bis(4-hydroxyphenyl)-P-diisopropylbenzene, hydroquinone, resorcinol, and 4,4-dihydroxydiphenyl.
- bisphenol A 2,2-bis(4-hydroxyphenyl)propane
- tetramethyl bisphenol A bis(4-hydroxyphenyl)-P-diisopropylbenzene
- hydroquinone resorcinol
- 4,4-dihydroxydiphenyl 4,4-dihydroxydiphenyl
- the polycarbonate resin may have a melt index (260°C, 2.16 kg) of, for example, 10 to 80 g/10 min, 10 to 50 g/10 min, or 10 to 30 g/10 min. Within this range, superior impact strength and heat stability are exhibited.
- the polycarbonate resin may have a melt index (300°C, 1.2 kg) of, for example, 3 to 35 g/10 min, 5 to 30 g/10 min, or 8 to 27 g/10 min. Within this range, superior impact strength and chemical resistance are exhibited.
- the polycarbonate resin may have a number average molecular weight (Mn) of, for example, 3,000 to 100,000 g/mol. Within this range, superior impact strength and heat stability are exhibited.
- Mn number average molecular weight
- the polycarbonate resin may be included in an amount of, for example, 30 to 85% by weight, 40 to 85% by weight, or 50 to 85% by weight based on the polycarbonate resin composition. Within this range, superior impact strength and heat stability are exhibited.
- the additive for laser direct structuring used in a laser direct structuring (LDS) method is present on a surface of the polycarbonate resin composition.
- metal particles are activated.
- Metal particles in an area not exposed to a laser beam are not activated at all.
- the particles function as a nucleus for crystal growth in a subsequent plating process, e.g., a copper plating process.
- a subsequent plating process e.g., a copper plating process.
- the additive for laser direct structuring is selected such that, after being exposed to a laser beam, an etching area is plated to form a conductive structure.
- the plating may be performed on most of an area in which a uniform metal plating layer material is laser-etched, unless specified otherwise. By the plating, a wide window for a laser parameter is exhibited.
- the additive for laser direct structuring may be, for example, one or more selected from the group consisting of copper hydroxide phosphate, copper phosphate, copper sulfate and cuprous thiocyanate.
- the additive for laser direct structuring is an additive for laser direct structuring having a triclinic structure.
- the additive for laser direct structuring may be included, for example, in an amount of 0.1 to 7% by weight, 1 to 7% by weight, or 2 to 5% by weight based on the polycarbonate resin composition. Within this range, superior laser reactivity and plating adhesion are exhibited.
- the impact modifier having a core-shell structure is one or more selected from the group consisting of a silicone-acrylic impact modifier and a butadiene based impact modifier.
- a silicone-acrylic impact modifier and a butadiene based impact modifier.
- the impact strength of the polycarbonate resin and plastic resistance against compression and bending increase and thus dimensional stability is improved.
- the silicone-acrylic impact modifier may have, for example, a core-shell structure including 10 to 70% by weight of a silicone core and 30 to 90% by weight of a (meth)acrylate based shell, or 20 to 60% by weight of a silicone core and 40 to 80% by weight of a (meth)acrylate based shell.
- the silicone-acrylic impact modifier may be, for example, Metablen S-2001 or Metablen S-2006, as series manufactured by MRC.
- the impact modifier having a core-shell structure may be included, for example, in an amount of 0.1 to 10% by weight, 1 to 10% by weight, or 3 to 8% by weight based on the polycarbonate resin composition. Within this range, superior impact strength and property balance are exhibited.
- the impact modifier having a core-shell structure when the butadiene based impact modifier is used with (f) a flow modifier described below, heat stability may be decreased. Accordingly, the butadiene based impact modifier and (f) the flow modifier are not used together in the present invention.
- the coloring agent is one or more selected from the group consisting of zinc oxide, titanium monoxide, titanium dioxide, titanium trioxide, iron oxide, aluminate, and sodium aluminum sulfosilicate.
- the coloring agent may be included, for example, in an amount of 3 to 15% by weight, 5 to 15% by weight, or 8 to 12% by weight based on the polycarbonate resin composition. Within this range, uniform color and superior laser processability are exhibited.
- the coloring agent since a sulfide, such as zinc sulfide, publicly known in conventional technology may deteriorate impact strength and heat stability, the sulfide is not used in the present invention.
- the ethylene-containing acrylic resin may include, for example, 15 to 40% by weight, 20 to 35% by weight, or 25 to 30% by weight of acrylate. Within this range, superior compatibility with polycarbonate and superior impact strength are exhibited.
- the ethylene-containing acrylic resin is an ethylene-methylacrylate copolymer.
- the ethylene-containing acrylic resin may be included, for example, in an amount of 0.1 to 10% by weight, 1 to 8% by weight, or 2 to 5% by weight based on the polycarbonate resin composition. Within this range, superior toughness and fluidity are exhibited.
- the flow modifier is one selected from phenylene diphosphates.
- the flow modifier may be tetrakis(2,6-dimethylphenyl)m-phenylene diphosphate.
- the flow modifier may be included, for example, in an amount of 0.1 to 10% by weight, 0.5 to 8% by weight, or 1 to 5% by weight based on the polycarbonate resin composition. Within this range, temperature increase by shear during extrusion and injection processes is decreased.
- X, Y and Z of (g) the compound represented by Formula 1 one may be, for example, an alkali metal and two may be, for example, hydrogen.
- the alkali metal may be, for example, sodium or potassium.
- (g) the compound represented by Formula 1 may be monosodium phosphate.
- the compound represented by Formula 1 may function as a reaction suppressor.
- reaction suppressed by the reaction suppressor may mean a reaction of decomposing (a) the polycarbonate resin as metal ions, such as copper ions, which may be included in (b) the additive for laser direct structuring, are activated.
- the compound represented by Formula 1 functions as a ligand for metal ions, such as copper ions, which may be included in (b) the additive for laser direct structuring, thus forming stable complex ions with the metal ions such as copper ions (see Reaction Formula 1 below). Accordingly, (g) the compound represented by Formula 1 may function as a reaction suppressor to suppress decomposition of (a) the polycarbonate resin.
- the compound represented by Formula 1 may be included, for example, in an amount of 0.1 to 1% by weight, 0.1 to 0.8% by weight, or 0.1 to 0.4% by weight based on the polycarbonate resin composition. Within this range, heat stability is improved and temperature increase by shear during extrusion and injection processes may be decreased.
- the glass fiber for example, may have a length of 2 to 5 mm, a width of 15 to 40 ⁇ m, a thickness of 5 to 20 ⁇ m, or a length of 2 to 4 mm, a width of 15 to 40 ⁇ m, and a thickness of 5 to 15 ⁇ m. Within this range, efficient rigidity may be secured and an appearance defect rate during product molding may be decreased.
- An aspect ratio ( ⁇ ), which is calculated by Equation 1 below, of (h) the glass fiber may be, for example, 100 to 300, 100 to 250, or 100 to 200. Within this range, very strong binding force between polymers is maintained and thus rigidity increases. Accordingly, upon processing of plastic components in which rigidity is prioritized, the resin according to the present invention may substitute for expensive resins and metals.
- Aspect ratio ⁇ L/D wherein L is a length of a glass fiber and D is a width of a glass fiber, wherein, when a cross section perpendicularly cut in a length direction is a rectangle, the length corresponds to a length of a longest side of the rectangle and, when the cross section is an ellipse, the length corresponds to a longest diameter of the cross section.
- the glass fiber may be, for example, chopped glass fiber surface-treated with silane or olefin. In this case, very strong binding force between a polymer is maintained, thereby the rigidity of the polycarbonate resin composition is complemented and bending characteristics and surface smoothness are enhanced.
- the glass fiber may, for example, be a cylindrical type, a cocoon type, or a flat type. In this case, very strong binding force between polymers is maintained, whereby the rigidity of the polycarbonate resin composition is improved and bending characteristics and surface smoothness are improved.
- the glass fiber may be included, for example, in an amount of 10 to 50% by weight, 20 to 40% by weight, or 25 to 35% by weight based on the polycarbonate resin composition. Within this range, superior rigidity, fluidity, and appearance are exhibited.
- the glass fiber when the polycarbonate resin composition includes (h) a glass fiber described below but does not include the additive for laser direct structuring having a triclinic structure, laser sensitivity and plating adhesion may be decreased. Accordingly, (h) the glass fiber is preferably included with the additive for laser direct structuring having a triclinic structure.
- the polycarbonate resin composition may have, for example, a color L value (thickness of 1.2 mm ( ⁇ 10%)) of 85 to 99, 88 to 97, or 90 to 95.
- the polycarbonate resin composition may have, for example, an impact strength (notched Izod impact strength, 1/4 inch) of 50 to 70 kgf ⁇ cm/cm, 55 to 67 kgf ⁇ cm/cm, or 59 to 65 kgf ⁇ cm/cm.
- an impact strength notched Izod impact strength, 1/4 inch
- the polycarbonate resin composition may have an impact strength (notched Izod impact strength, 1/4 inch) of 5 kgf ⁇ cm/cm or more, 5 to 20 kgf ⁇ cm/cm, or 5 to 15 kgf ⁇ cm/cm.
- the polycarbonate resin composition may have, for example, a melt index (220°C, 10 kg) of 6 to 25 g/10 min, 7 to 23 g/10 min, or 8 to 20 g/10 min. Within this range, superior processability is exhibited.
- the polycarbonate resin composition may include a variety of generally added additives. Alternatively, a mixture of the additives may be used. The additives may be properly mixed during mixing of ingredients for forming the composition. When one or more additives are included in the polycarbonate resin composition, the characteristics of the one or more additives may be provided to the polycarbonate resin composition and a molded article produced from the composition.
- the additive may be, for example, one or more selected from the group consisting of a processing stabilizer, a plasticizer, an antistatic agent, a release agent, a UV absorber, a lubricant, a pigment, a dye, and a flow promoter.
- an antioxidant such as IR 1076
- a stabilizer such as IF 168
- the IR 1076 as a primary heat stabilizer, does not affect the color of a resin.
- the resin color may be affected by a secondary heat stabilizer, but the IF 168 does not affect the resin color.
- the polycarbonate resin composition of the present invention may be prepared according to a general preparation method.
- each constituent may be first mixed in a high-speed mixer, or may be mixed by a low shear method, as another method.
- the mixed mixture may be supplied to a neck of a twin-screw extruder via a hopper.
- One or more ingredients may be supplied to the neck via a side hopper and/or directly supplied into the extruder from down stream to be mixed with the composition.
- the extruder may be operated at a higher temperature than a temperature generally required for flowing of a composition.
- a prepared extrudate may be rapidly cooled in a bath and prepared into pellets.
- the lengths of pellets may be 1/4 inches or less, as needed.
- the prepared pellets may be used in a subsequent casting, molding, or preparation step.
- a method of preparing the polycarbonate resin composition comprises (A) a step of supplying (a) a polycarbonate resin, (b) an additive for laser direct structuring having a triclinic structure, (c) an impact modifier having a core-shell structure selected from the group consisting of a silicone-acrylic impact modifier and a butadiene-based impact modifier, a coloring agent selected from the group consisting of zinc oxide, titanium monoxide, titanium dioxide, titanium trioxide, iron oxide, aluminate, and sodium aluminum sulfo silicate, and (e) an ethylene-methacrylate copolymer as an ethylene-containing acrylic impact modifier to a main feeder of an extruder; (B) a step of supplying (h) a glass fiber to a side feeder of the extruder; and (C) a step of extruding at 200 to 280°C.
- step (A) in which each constituent is supplied to the main feeder of the extruder for example, a compound represented by Formula 1 below may be supplied therewith: wherein X, Y and Z are each independently hydrogen or an alkali metal.
- the method of preparing the polycarbonate resin composition may include, for example, a step of plating an extrudate obtained after step (C), as an extrusion step.
- a molded article may include, for example, the polycarbonate resin composition.
- the polycarbonate resin composition may be molded into a useful molded article by, for example, injection molding, extrusion molding, rotation molding, blow molding, thermal molding, etc.
- the molded article may be, for example, a communication device such as a mobile phone antenna, an antenna for portable electronic equipment, an antenna for RFID, or an antenna for M/P (internal antenna), an electrical unit for automobiles, a white home appliance, an NFC antenna, an alternative to a cable, or a complex component of a semiconductor IC.
- Constituents except for the following ingredient (F), were mixed in amounts summarized in Table 2 below. Resultant mixtures were fed into a main feeder of a twin-screw extruder. The ingredient (F) was fed into a side feeder of the twin-screw extruder and then melted and kneaded at 270°C to prepare pellets. Subsequently, the pellets were prepared into polycarbonate resin composition specimens by means of an injection machine.
- the following ingredients were mixed according to contents summarized in Table 5 below and melted and kneaded by means of a 250 to 260°C twin-screw extruder, thereby being prepared into pellets.
- the pellets were prepared into polycarbonate resin composition specimens by means of a 250 to 270°C injection machine.
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Description
- The present invention relates to a polycarbonate resin composition. More particularly, the present invention relates to a polycarbonate resin composition having superior heat stability and less discoloration and being applicable to a laser direct structuring method and a method of preparing the same.
- Recently, a method of manufacturing electrical components using a laser direct structuring (LDS) method attracts attention.
- The LDS method is characterized by adding a conductive material to a nonconductive plastic, reacting the same using laser, and forming a regular pattern thereon, followed by selective plating. By using the LDS method, a metal structure such as an antenna, etc. can be directly formed on a resin substrate surface without use of an adhesive. With regard to this,
US Patent Laid-Open Publication Nos. 2012-0276390 and2012-0279764 , etc. disclose methods of adding a predetermined amount of an additive for laser direct structuring so as to improve laser reactivity and plating adhesion of a polycarbonate resin. - However, the conventional technologies have a limitation in increasing a whiteness degree and exhibit discoloration due to low heat stability during storage and processing. In addition, due to low fluidity in the conventional technologies, there are limitations in applying the conventional technologies in accordance with a current market trend wherein enlargement and slimming are kept and white products are preferred. Accordingly, there is a need for a polycarbonate resin composition that can be used in the laser direct structuring method so as to overcome the problems and limitations.
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- (Patent Document 1)
US 2012-0276390 A1 - (Patent Document 2)
US 2012-0279764 A1 -
US 2014/162070 A1 discloses compositions for laser direct structuring having good plating properties, a high whiteness degree and good heat stability, said compositions comprising a polycarbonate, a laser direct structuring additive containing titanium oxide, a core/shell impact modifier, talc which may be surface-treated and glass fibers. -
WO2015/053159 A1 discloses compositions comprising a polycarbonate, a laser direct structuring additive, a core/shell impact modifier, tetrakis (2,6-dimythylphenyl)-m-phenylene diphosphate and glass fibers. -
EP 2 335 936 A1 discloses aromatic polycarbonate compositions, comprising aromatic polycarbonate, laser direct structuring additive, rubber like polymer and acid and/or acid salt. - Therefore, the present invention has been made in view of the above problems, and it is one object of the present invention to provide a polycarbonate resin composition that realizes a high whiteness degree, exhibits less discoloration due to superior heat stability during storage and processing, and has improved fluidity, laser reactivity, and plating adhesion.
- It is another object of the present invention to provide a method of preparing the polycarbonate resin composition.
- The above and other objects can be accomplished by the present invention described below.
- In accordance with one aspect of the present invention, provided is a polycarbonate resin composition comprising:
- (a) a polycarbonate resin;
- (b) an additive for laser direct structuring having a triclinic structure;
- (c) an impact modifier having a core-shell structure selected from the group consisting of a silicone-acrylic impact modifier, and a butadiene-based impact modifier;
- (d) a coloring agent selected from the group consisting of zinc oxide, titanium monoxide, titanium dioxide, titanium trioxide, iron oxide, aluminate, and sodium aluminum sulfo silicate; and
- In accordance with another aspect of the present invention, provided is a method of preparing a polycarbonate resin composition, the method comprising:
- (A) a step of supplying (a) a polycarbonate resin, (b) an additive for laser direct structuring having a triclinic structure, (c) an impact modifier having a core-shell structure selected from the group consisting of a silicone-acrylic impact modifier, and a butadiene-based impact modifier, (d) a coloring agent selected from the group consisting of zinc oxide, titanium monoxide, titanium dioxide, titanium trioxide, iron oxide, aluminate, and sodium aluminum sulfo silicate, and (e) an ethylene-methylacrylate copolymer as an ethylene-containing acrylic impact modifier to a main feeder of an extruder;
- (B) a step of supplying (h) a glass fiber to a side feeder of the extruder; and
- (C) a step of extruding at 200 to 280 °C.
- Further embodiments are disclosed in the dependent claims.
- As apparent from the fore-going, the present invention advantageously provides a polycarbonate resin composition that realizes a high whiteness degree, exhibits less discoloration due to superior heat stability during storage and processing, and has improved fluidity, laser reactivity, and plating adhesion.
- In addition, the present invention provides a method of preparing the polycarbonate resin composition.
- The above and other objects can be accomplished by the present invention described below.
- Now, the present invention will be described in more detail.
- The present inventors continued research to address conventional technical problems and, as a result, confirmed that, when a specific mixture along with an additive for laser direct structuring, an impact modifier having a core-shell structure, and a coloring agent are applied to a polycarbonate resin, high whiteness is realized, discoloration is decreased due to superior heat stability during storage and processing, and superior fluidity, laser reactivity and plating adhesion are exhibited, thus completing the present invention.
- The polycarbonate resin composition according to the present invention will be described in detail below.
- The polycarbonate resin composition includes (a) polycarbonate resin; (b) an additive for laser direct structuring; (c) an impact modifier having a core-shell structure; (d) a coloring agent; and two or more selected from the group consisting of (e) an ethylene-containing acrylic impact modifier, (f) a flow modifier, (g) a compound represented by Formula 1 below, and (h) a glass fiber:
- (a) The polycarbonate resin is not specifically limited so long as it is a general polycarbonate resin. For example, (a) the polycarbonate resin may be aromatic polycarbonate, aliphatic polycarbonate, or aromatic-aliphatic polycarbonate.
- In a specific example, (a) the polycarbonate resin may be a thermoplastic aromatic polycarbonate polymer or copolymer obtained from a copolymer of an aromatic dihydroxy compound and phosgene or carbonic acid diester.
- The aromatic dihydroxy compound may be, for example, one or more selected from the group consisting of 2,2-bis(4-hydroxyphenyl)propane (bisphenol A), tetramethyl bisphenol A, bis(4-hydroxyphenyl)-P-diisopropylbenzene, hydroquinone, resorcinol, and 4,4-dihydroxydiphenyl.
- (a) The polycarbonate resin may have a melt index (260°C, 2.16 kg) of, for example, 10 to 80 g/10 min, 10 to 50 g/10 min, or 10 to 30 g/10 min. Within this range, superior impact strength and heat stability are exhibited.
- (a) The polycarbonate resin may have a melt index (300°C, 1.2 kg) of, for example, 3 to 35 g/10 min, 5 to 30 g/10 min, or 8 to 27 g/10 min. Within this range, superior impact strength and chemical resistance are exhibited.
- (a) The polycarbonate resin may have a number average molecular weight (Mn) of, for example, 3,000 to 100,000 g/mol. Within this range, superior impact strength and heat stability are exhibited.
- (a) The polycarbonate resin may be included in an amount of, for example, 30 to 85% by weight, 40 to 85% by weight, or 50 to 85% by weight based on the polycarbonate resin composition. Within this range, superior impact strength and heat stability are exhibited.
- (b) The additive for laser direct structuring used in a laser direct structuring (LDS) method is present on a surface of the polycarbonate resin composition. When the additive is exposed to a laser beam, metal particles are activated. Metal particles in an area not exposed to a laser beam are not activated at all. The particles function as a nucleus for crystal growth in a subsequent plating process, e.g., a copper plating process. As other applicable eletroless plating processes, there are, for example, gold plating, nickel plating, silver plating, zinc plating, tin plating, etc. The additive for laser direct structuring is selected such that, after being exposed to a laser beam, an etching area is plated to form a conductive structure.
- The plating may be performed on most of an area in which a uniform metal plating layer material is laser-etched, unless specified otherwise. By the plating, a wide window for a laser parameter is exhibited.
- (b) The additive for laser direct structuring may be, for example, one or more selected from the group consisting of copper hydroxide phosphate, copper phosphate, copper sulfate and cuprous thiocyanate.
- (b) The additive for laser direct structuring is an additive for laser direct structuring having a triclinic structure.
- (b) The additive for laser direct structuring may be included, for example, in an amount of 0.1 to 7% by weight, 1 to 7% by weight, or 2 to 5% by weight based on the polycarbonate resin composition. Within this range, superior laser reactivity and plating adhesion are exhibited.
- With regard to (b) the additive for laser direct structuring, since a mica-coated antimony tin oxide (Sn(Sb)O2) publicly known in conventional technology improves heat stability, but causes laser sensitivity defect, mica-coated antimony tin oxide is not used in the present invention.
- (c) The impact modifier having a core-shell structure is one or more selected from the group consisting of a silicone-acrylic impact modifier and a butadiene based impact modifier. In this case, the impact strength of the polycarbonate resin and plastic resistance against compression and bending increase and thus dimensional stability is improved.
- The silicone-acrylic impact modifier may have, for example, a core-shell structure including 10 to 70% by weight of a silicone core and 30 to 90% by weight of a (meth)acrylate based shell, or 20 to 60% by weight of a silicone core and 40 to 80% by weight of a (meth)acrylate based shell.
- The silicone-acrylic impact modifier may be, for example, Metablen S-2001 or Metablen S-2006, as series manufactured by MRC.
- (c) The impact modifier having a core-shell structure may be included, for example, in an amount of 0.1 to 10% by weight, 1 to 10% by weight, or 3 to 8% by weight based on the polycarbonate resin composition. Within this range, superior impact strength and property balance are exhibited.
- With regard to (c) the impact modifier having a core-shell structure, when the butadiene based impact modifier is used with (f) a flow modifier described below, heat stability may be decreased. Accordingly, the butadiene based impact modifier and (f) the flow modifier are not used together in the present invention.
- (d) The coloring agent is one or more selected from the group consisting of zinc oxide, titanium monoxide, titanium dioxide, titanium trioxide, iron oxide, aluminate, and sodium aluminum sulfosilicate.
- (d) The coloring agent may be included, for example, in an amount of 3 to 15% by weight, 5 to 15% by weight, or 8 to 12% by weight based on the polycarbonate resin composition. Within this range, uniform color and superior laser processability are exhibited.
- With regard to (d) the coloring agent, since a sulfide, such as zinc sulfide, publicly known in conventional technology may deteriorate impact strength and heat stability, the sulfide is not used in the present invention.
- When (e) the ethylene-containing acrylic impact modifier is included with (c) the impact modifier having a core-shell structure, superior compatibility with polycarbonate and superior impact strength are exhibited.
- (e) The ethylene-containing acrylic resin may include, for example, 15 to 40% by weight, 20 to 35% by weight, or 25 to 30% by weight of acrylate. Within this range, superior compatibility with polycarbonate and superior impact strength are exhibited.
- (e) The ethylene-containing acrylic resin is an ethylene-methylacrylate copolymer.
- (e) The ethylene-containing acrylic resin may be included, for example, in an amount of 0.1 to 10% by weight, 1 to 8% by weight, or 2 to 5% by weight based on the polycarbonate resin composition. Within this range, superior toughness and fluidity are exhibited.
- (f) The flow modifier is one selected from phenylene diphosphates. In a specific example, the flow modifier may be tetrakis(2,6-dimethylphenyl)m-phenylene diphosphate.
- (f) The flow modifier may be included, for example, in an amount of 0.1 to 10% by weight, 0.5 to 8% by weight, or 1 to 5% by weight based on the polycarbonate resin composition. Within this range, temperature increase by shear during extrusion and injection processes is decreased.
- When (f) the flow modifier is used with a butadiene based impact modifier as (c) the impact modifier having a core-shell structure, heat stability may be decreased. Accordingly, (f) the flow modifier and the butadiene based impact modifier are not used together in the present invention.
- Of X, Y and Z of (g) the compound represented by Formula 1, one may be, for example, an alkali metal and two may be, for example, hydrogen. The alkali metal may be, for example, sodium or potassium. In a specific example, (g) the compound represented by Formula 1 may be monosodium phosphate.
- (g) The compound represented by Formula 1, for example, may function as a reaction suppressor.
- "Reaction" suppressed by the reaction suppressor, for example, may mean a reaction of decomposing (a) the polycarbonate resin as metal ions, such as copper ions, which may be included in (b) the additive for laser direct structuring, are activated.
- (g) The compound represented by Formula 1, for example, functions as a ligand for metal ions, such as copper ions, which may be included in (b) the additive for laser direct structuring, thus forming stable complex ions with the metal ions such as copper ions (see Reaction Formula 1 below). Accordingly, (g) the compound represented by Formula 1 may function as a reaction suppressor to suppress decomposition of (a) the polycarbonate resin.
- (g) The compound represented by Formula 1 may be included, for example, in an amount of 0.1 to 1% by weight, 0.1 to 0.8% by weight, or 0.1 to 0.4% by weight based on the polycarbonate resin composition. Within this range, heat stability is improved and temperature increase by shear during extrusion and injection processes may be decreased.
- (h) The glass fiber, for example, may have a length of 2 to 5 mm, a width of 15 to 40 µm, a thickness of 5 to 20 µm, or a length of 2 to 4 mm, a width of 15 to 40 µm, and a thickness of 5 to 15 µm. Within this range, efficient rigidity may be secured and an appearance defect rate during product molding may be decreased.
- In particular, when the length of (h) the glass fiber is shorter than the range, superior appearance is exhibited and deformation is decreased, but rigidity and impact characteristics are remarkably decreased. When the length of (h) the glass fiber is longer than the range, rigidity and impact characteristics are improved, but glass fibers protrude from an appearance and deformation increases.
- An aspect ratio (δ), which is calculated by Equation 1 below, of (h) the glass fiber may be, for example, 100 to 300, 100 to 250, or 100 to 200. Within this range, very strong binding force between polymers is maintained and thus rigidity increases. Accordingly, upon processing of plastic components in which rigidity is prioritized, the resin according to the present invention may substitute for expensive resins and metals.
wherein L is a length of a glass fiber and D is a width of a glass fiber, wherein, when a cross section perpendicularly cut in a length direction is a rectangle, the length corresponds to a length of a longest side of the rectangle and, when the cross section is an ellipse, the length corresponds to a longest diameter of the cross section. - (h) The glass fiber may be, for example, chopped glass fiber surface-treated with silane or olefin. In this case, very strong binding force between a polymer is maintained, thereby the rigidity of the polycarbonate resin composition is complemented and bending characteristics and surface smoothness are enhanced.
- (h) The glass fiber may, for example, be a cylindrical type, a cocoon type, or a flat type. In this case, very strong binding force between polymers is maintained, whereby the rigidity of the polycarbonate resin composition is improved and bending characteristics and surface smoothness are improved.
- (h) The glass fiber may be included, for example, in an amount of 10 to 50% by weight, 20 to 40% by weight, or 25 to 35% by weight based on the polycarbonate resin composition. Within this range, superior rigidity, fluidity, and appearance are exhibited.
- With regard to (h) the glass fiber, when the polycarbonate resin composition includes (h) a glass fiber described below but does not include the additive for laser direct structuring having a triclinic structure, laser sensitivity and plating adhesion may be decreased. Accordingly, (h) the glass fiber is preferably included with the additive for laser direct structuring having a triclinic structure.
- The polycarbonate resin composition may have, for example, a color L value (thickness of 1.2 mm (± 10%)) of 85 to 99, 88 to 97, or 90 to 95.
- The polycarbonate resin composition may have, for example, an impact strength (notched Izod impact strength, 1/4 inch) of 50 to 70 kgf·cm/cm, 55 to 67 kgf·cm/cm, or 59 to 65 kgf·cm/cm.
- In another example, the polycarbonate resin composition may have an impact strength (notched Izod impact strength, 1/4 inch) of 5 kgf·cm/cm or more, 5 to 20 kgf·cm/cm, or 5 to 15 kgf·cm/cm.
- The polycarbonate resin composition may have, for example, a melt index (220°C, 10 kg) of 6 to 25 g/10 min, 7 to 23 g/10 min, or 8 to 20 g/10 min. Within this range, superior processability is exhibited.
- The polycarbonate resin composition may include a variety of generally added additives. Alternatively, a mixture of the additives may be used. The additives may be properly mixed during mixing of ingredients for forming the composition. When one or more additives are included in the polycarbonate resin composition, the characteristics of the one or more additives may be provided to the polycarbonate resin composition and a molded article produced from the composition. The additive may be, for example, one or more selected from the group consisting of a processing stabilizer, a plasticizer, an antistatic agent, a release agent, a UV absorber, a lubricant, a pigment, a dye, and a flow promoter. In addition, as needed, an antioxidant, such as IR 1076, and a stabilizer, such as IF 168, may be used. In particular, the IR 1076, as a primary heat stabilizer, does not affect the color of a resin. The resin color may be affected by a secondary heat stabilizer, but the IF 168 does not affect the resin color.
- The polycarbonate resin composition of the present invention may be prepared according to a general preparation method. For example, each constituent may be first mixed in a high-speed mixer, or may be mixed by a low shear method, as another method. Subsequently, the mixed mixture may be supplied to a neck of a twin-screw extruder via a hopper. One or more ingredients may be supplied to the neck via a side hopper and/or directly supplied into the extruder from down stream to be mixed with the composition. The extruder may be operated at a higher temperature than a temperature generally required for flowing of a composition. A prepared extrudate may be rapidly cooled in a bath and prepared into pellets.
- When the extrudate is cut, the lengths of pellets may be 1/4 inches or less, as needed. The prepared pellets may be used in a subsequent casting, molding, or preparation step.
- A method of preparing the polycarbonate resin composition comprises (A) a step of supplying (a) a polycarbonate resin, (b) an additive for laser direct structuring having a triclinic structure, (c) an impact modifier having a core-shell structure selected from the group consisting of a silicone-acrylic impact modifier and a butadiene-based impact modifier, a coloring agent selected from the group consisting of zinc oxide, titanium monoxide, titanium dioxide, titanium trioxide, iron oxide, aluminate, and sodium aluminum sulfo silicate, and (e) an ethylene-methacrylate copolymer as an ethylene-containing acrylic impact modifier to a main feeder of an extruder; (B) a step of supplying (h) a glass fiber to a side feeder of the extruder; and (C) a step of extruding at 200 to 280°C.
-
- The method of preparing the polycarbonate resin composition may include, for example, a step of plating an extrudate obtained after step (C), as an extrusion step.
- A molded article may include, for example, the polycarbonate resin composition. The polycarbonate resin composition may be molded into a useful molded article by, for example, injection molding, extrusion molding, rotation molding, blow molding, thermal molding, etc. The molded article may be, for example, a communication device such as a mobile phone antenna, an antenna for portable electronic equipment, an antenna for RFID, or an antenna for M/P (internal antenna), an electrical unit for automobiles, a white home appliance, an NFC antenna, an alternative to a cable, or a complex component of a semiconductor IC.
- Now, preferred embodiments are provided to aid in understanding of the present invention. The embodiments are shown by way of example.
- Constituents, except for the following ingredient (F), were mixed in amounts summarized in Table 2 below. Resultant mixtures were fed into a main feeder of a twin-screw extruder. The ingredient (F) was fed into a side feeder of the twin-screw extruder and then melted and kneaded at 270°C to prepare pellets. Subsequently, the pellets were prepared into polycarbonate resin composition specimens by means of an injection machine.
[Table 2] Classification Examples Comparative Examples 11 12 13 14 15 3 4 5 6 7 A-4 52.8 - - - - 52.8 - - - A-5 - 52.8 52.8 53 52.8 - 52.8 52.8 53 52.8 B-1 - - - - - 3 3 3 3 - B-2 3 3 3 3 3 - - - - - B-3 - - - - - - - - - 3 C-1 3 3 - 3 3 3 3 - 3 3 C-3 - - 3 - - - - 3 - - D-1 8 8 8 8 - 8 - 8 8 8 D-2 - - - - 8 - 8 - - - E 3 3 3 3 3 3 3 3 3 3 G 0.2 0.2 0.2 - 0.2 0.2 0.2 0.2 - 0.2 H 30 30 30 30 30 30 30 30 30 30 * (A-4, PC): Polycarbonate resin having a melt index (300°C, 1.2 kg) of 10 g/10 min was used.
* (A-5, PC): Polycarbonate resin having a melt index (300°C, 1.2 kg) of 22 g/10 min was used.
* (B-1, LDS an additive): Iriotec 8840, 80% of particles of which had a size of less than 10 µm, as copper hydroxide phosphate, manufactured by Merck, was used.
* (B-2, LDS additive): Cu3(PO4)2 having a triclinic structure was used.
* (B-3, LDS additive): Iriotec 8825, wherein a mica content was 46 to 62% by weight, a (Sn/Sb)O2 content was 38 to 54% by weight, and 98% of particles had a size of less than 15 µm, manufactured by Merck was used.
* (C-1, impact modifier): Metablen S-2001 (silicone-acrylate rubber) manufactured by MRC, Japan was used.
* (C-3, impact modifier): EM500 (MBS) manufactured by LG chemistry was used.
* (D-1, coloring agent): Kronos 2233 (TiO2) manufactured by Kronos was used.
* (D-2, a coloring agent): R104 manufactured by DuPont was used.
* (E, ethylene-containing acrylic impact modifier): Elvaloy 1330AC (ethylene methylacrylate copolymer) manufactured by DuPont was used.
[95] * (G, reaction suppressor): Monosodium phosphate was used.
* (H, glass fiber): A glass fiber having an aspect ratio (δ), calculated by Equation 1 below, of 150 and surface-treated with an epoxy silane based compound having a width (D) of 20 µm, a thickness of 10 µm, a length (L) of 3 mm, manufactured by Nittobo was used. - In addition, properties of the polycarbonate resin composition specimens obtained according to Examples 11 to 15 and Comparative Examples 3 to 7 were measured according to the following methods. Results are summarized in Table 4 below.
-
- * Color (discoloration degree, L, a, b): Colors of specimens having a thickness of 1.2 mm (±10%) were measured according to ASTM D1500 as a standard measurement method.
- * Impact strength (notched Izod impact strength, kgf·cm/cm): Measured using 1/4" specimens according to ASTM D256 as a standard measurement method.
- * Melt index (Melt Index, g/10 min): The melt index of each polycarbonate resin was measured at 260°C under a load of 2.16 kg and at 300°C under a load of 1.2 kg according to ASTM D1238 as a standard measurement method. The melt index of each polycarbonate resin composition was measured at 220°C under a load of 10 kg.
- * Residence stability (ΔE after residence): L, a, and b values, as color values, of a specimen, which was directly injected at 210°C and injected after being resided at 250°C for 15 minutes, were measured by means of a Hunter Lab colorimeter and ΔE was calculated according to Equation 2 below. Residence stability is superior as ΔE is close to 0.
-
- * Laser sensitivity: Laser sensitivity was measured at a wavelength of 1,064 nm by means of an SPI Fiber pulsed laser device manufactured by SPI laser. Laser sensitivity was graded as follows. 1: very satisfactory, 2: satisfactory, 3: normal, 4: poor, and 5: very poor.
- * Plating adhesion: A specimen was subjected to Cu/Ni electroless plating, and plating adhesion was measured using a tape, which had an adhesion of 4.9 N/100 mm to steel, according to ASTM D3359 class 4B to 5B as a standard measurement method. Grading was performed depending upon the amount of the plated surface attached to the tape by the test. Grading was made as follows. 1: plated surface not detached, 2: satisfactory, 3: normal, 4: poor, 5: very poor.
- * Whiteness degree: Measured using the specimen by means of a Suga color computer.
- As shown in Table 4, it can be confirmed that, in Examples 11 to 15 according to the present invention, ΔE after residence is remarkably decreased and all of a melt index, impact strength, laser sensitivity and plating adhesion are superior.
- On the other hand, it can be confirmed that, as comparative examples in which the polycarbonate resin composition including the glass fiber is used, laser sensitivity and plating adhesion are very poor in Comparative Examples 3 to 6 in which the additive for laser direct structuring having a triclinic structure is not used, and polycarbonate is decomposed and, accordingly, a melt index (220°C, 10 kg) cannot be measured in Comparative Examples 4 to 6. In addition, it can be confirmed that, in Comparative Example 7 in which the additive for laser direct structuring not having a triclinic structure is used, laser sensitivity and plating adhesion are decreased.
- The following ingredients were mixed according to contents summarized in Table 5 below and melted and kneaded by means of a 250 to 260°C twin-screw extruder, thereby being prepared into pellets. The pellets were prepared into polycarbonate resin composition specimens by means of a 250 to 270°C injection machine.
[Table 5] Classificati on Reference Examples 1 2 3 4 A-2 86.3 82.5 82.5 82.5 B-1 3.5 3.5 3.5 3.5 C-1 - - - 4 C-3 - - 4 - C-4 - 4 - - D-1 8 8 8 - D-3 - - - 8 F 2 2 2 2 G 0.2 - - - * (A-2, PC): Polycarbonate resin having a melt index (260°C, 2.16 kg) of 25 g/10 min was used.
* (B-1, LDS additive): Iriotec 8840, as copper hydroxide phosphate, 80% of particles of which has a size of less than 10 µm and which was manufactured by Merck, was used.
* (C-1, impact modifier): Metablen S-2001 (silicone-acrylate rubber) manufactured by MRC, Japan was used.
* (C-3, impact modifier): EM500 (MBS) manufactured by LG chemistry was used.
* (C-4, impact modifier): DP270E (ABS) manufactured by LG chemistry was used.
* (D-1, coloring agent): Kronos 2233 (TiO2) manufactured by Kronos was used.
* (D-3, coloring agent): ZnS manufactured by Sachtolith was used.
* (F, flow modifier): PX-200 manufactured by Dai-Hachi, Japan was used.
* (G, reaction suppressor): Monosodium phosphate was used. - Properties of polycarbonate resin composition specimens obtained according to Reference Examples 1 to 4 were measured according to the methods. Results are summarized in Table 6 below.
[Table 6] Classification Reference Examples 1 2 3 4 L* 95 85 87 79 a* -3.0 -0.1 -0.3 2.3 b* 2.0 7.2 4.3 7.8 IS 29 23 28 8 - As shown in Table 6, it can be confirmed that, in Reference Example 1 in which the impact modifier having a core-shell structure is not added, impact strength is remarkably decreased.
- In addition, it can be confirmed that, in Reference Examples 2 and 3, in which the butadiene based impact modifier is added along with the flow modifier, and Reference Example 4, in which zinc sulfide, as a coloring agent, is added, color (discoloration degree) and impact strength are remarkably deteriorated.
Clas sifi cati on | Examples | Comparative Examples | ||||||||
11 | 12 | 13 | 14 | 15 | 3 | 4 | 5 | 6 | 7 | |
MI | 8 | 18 | 16 | 18 | 19 | 100 | X | X | X | 16 |
ΔE | 3 | 2 | 2 | 3 | 3 | 20 | 27 | 23 | 25 | 2 |
IS | 7 | 8 | 8 | 7 | 8 | 3 | 2 | 2 | 3 | 8 |
Lase r sens | 1 | 1 | 1 | 1 | 2 | 5 | 5 | 5 | 5 | 3 |
itiv ity | ||||||||||
Plat ing adhe sion | 1 | 1 | 1 | 1 | 2 | 5 | 5 | 5 | 5 | 3 |
Claims (14)
- A polycarbonate resin composition, comprising:(a) a polycarbonate resin;(b) an additive for laser direct structuring having a triclinic structure;(c) an impact modifier having a core-shell structure selected from the group consisting of a silicone-acrylic impact modifier, and a butadiene-based impact modifier;(d) a coloring agent selected from the group consisting of zinc oxide, titanium monoxide, titanium dioxide, titanium trioxide, iron oxide, aluminate, and sodium aluminum sulfo silicate; andtwo or more selected from the group consisting of (e) an ethylene-methylacrylate copolymer as an ethylene-containing acrylic impact modifier, (f) a flow modifier selected from phenylene diphosphates, (g) a compound represented by Formula 1 below, and (h) a glass fiber:
- The polycarbonate resin composition according to claim 1, wherein (a) the polycarbonate resin is comprised in an amount of 30 to 85% by weight based on the polycarbonate resin composition.
- The polycarbonate resin composition according to claim 1, wherein (b) the additive for laser direct structuring is one or more selected from the group consisting of copper phosphate, copper sulfate and cuprous thiocyanate.
- The polycarbonate resin composition according to claim 1, wherein (b) the additive for laser direct structuring having a triclinic structure is comprised in an amount of 0.1 to 7% by weight based on the polycarbonate resin composition.
- The polycarbonate resin composition according to claim 1, wherein (c) the impact modifier having a core-shell structure is comprised in an amount of 0.1 to 10% by weight based on the polycarbonate resin composition.
- The polycarbonate resin composition according to claim 1, wherein (d) the coloring agent is comprised in an amount of 3 to 15% by weight based on the polycarbonate resin composition.
- The polycarbonate resin composition according to claim 1, wherein (e) the ethylene-containing acrylic impact modifier is comprised in an amount of 0.1 to 10% by weight based on the polycarbonate resin composition.
- The polycarbonate resin composition according to claim 1, wherein (f) the flow modifier is tetrakis(2,6-dimethylphenyl)m-phenylene diphosphate.
- The polycarbonate resin composition according to claim 1, wherein (f) the flow modifier is comprised in an amount of 0.1 to 10% by weight based on the polycarbonate resin composition.
- The polycarbonate resin composition according to claim 1, wherein, of X, Y and Z of (g) the compound represented by Formula 1, one is an alkali metal and two are hydrogen.
- The polycarbonate resin composition according to claim 1, wherein (g) the compound represented by Formula 1 is comprised in an amount of 0.1 to 1% by weight based on the polycarbonate resin composition.
- The polycarbonate resin composition according to claim 1, wherein (h) the glass fiber is comprised in an amount of 10 to 50% by weight based on the polycarbonate resin composition.
- A method of preparing a polycarbonate resin composition, the method comprising:(A) a step of supplying (a) a polycarbonate resin, (b) an additive for laser direct structuring having a triclinic structure, (c) an impact modifier having a core-shell structure selected from the group consisting of a silicone-acrylic impact modifier, and a butadiene-based impact modifier, (d) a coloring agent selected from the group consisting of zinc oxide, titanium monoxide, titanium dioxide, titanium trioxide, iron oxide, aluminate, and sodium aluminum sulfo silicate, and (e) an ethylene-methylacrylate copolymer as an ethylene-containing acrylic impact modifier to a main feeder of an extruder;(B) a step of supplying (h) a glass fiber to a side feeder of the extruder; and(C) a step of extruding at 200 to 280 °C.
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CN106675012B (en) * | 2016-12-05 | 2019-02-12 | 广东中塑新材料有限公司 | Laser direct forming polyamide compoiste material and preparation method thereof |
CN106751800B (en) * | 2016-12-05 | 2019-02-12 | 广东中塑新材料有限公司 | Laser direct forming copolyamide 6T composite material and preparation method |
CN106675020B (en) * | 2016-12-05 | 2019-02-12 | 广东中塑新材料有限公司 | Laser direct forming polyamide 6 T composite material and preparation method |
KR102013020B1 (en) * | 2016-12-30 | 2019-08-21 | 롯데첨단소재(주) | Thermoplastic resin composition for laser direct structuring process and composite comprising the same |
DE102017106911A1 (en) | 2017-03-30 | 2018-10-04 | Chemische Fabrik Budenheim Kg | Use of water-free Fe (II) compounds as radiation absorbers |
DE102017106912A1 (en) | 2017-03-30 | 2018-10-04 | Chemische Fabrik Budenheim Kg | Process for the preparation of Fe (II) P / Fe (II) MetP compounds |
DE102017106913A1 (en) * | 2017-03-30 | 2018-10-04 | Chemische Fabrik Budenheim Kg | Process for the production of electrically conductive structures on a carrier material |
CN107236275A (en) * | 2017-07-11 | 2017-10-10 | 安特普工程塑料(苏州)有限公司 | A kind of light color can laser direct forming polymer composite and preparation method thereof |
JP2020531661A (en) * | 2017-08-30 | 2020-11-05 | トリンゼオ ヨーロッパ ゲゼルシャフト ミット ベシュレンクテル ハフツング | A composition useful for preparing a reusable polycarbonate sheet with a matte appearance |
CN107541043B (en) * | 2017-09-01 | 2019-09-06 | 品诚塑胶科技(上海)有限公司 | High glaze exempts to spray PC/ABS alloy material and preparation method thereof |
KR102200889B1 (en) * | 2017-11-30 | 2021-01-11 | 롯데케미칼 주식회사 | Polycarbonate Resin Composition with Good Light Reflectance |
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JP2021063214A (en) * | 2019-10-15 | 2021-04-22 | 日信化学工業株式会社 | Thermoplastic resin composition and molding using the same |
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